On average, an adult laughs about 15 times a day; a child laughs 400 times. ……

婴儿的骨头比成人还多。婴儿的骨头比成人还多。A human baby has 99 more bones than an adult. A baby’s skeleton (骨架... bone through the fusing (结合) of certain bones. Therefore, a baby has around 305 bones, while an adult ……

最小的直升飞机。THIS is the smallest helicopter in the world. The GEN H-4 from Japan weighs 70kg. It’s about as heavy as an adult (成年人). It can carry only one person. 21ST ……

Q: When you are born, you have 306 bones. As an adult you have 206 bones. Why? A. Some bones dissolve (分解). B. Some bones fuse (熔合) together. C. Some bones (粉碎) apart. （答案见本期8版） ……

Every day an adult body produces 300 billion new cells. Your body doesn’t only need energy to keep your organs up and running but also to constantly repair and build new cells to form the building ……

不吃菠菜的“大力水手”。Moustafa Ismail is a weightlifter from Egypt (埃及). He is very strong. He has the world’s biggest biceps (二头肌). His upper arm (上臂) is as wide as an adult’s waist.21st ……

World’s smallest helicopter 最小的直升飞机This is the smallest helicopter in the world. The GEN H-4 from Japan only weighs 70 kg. It’s about as heavy as an adult (成年人). It can carry only one person. ……

恐龙不倒翁Boomer is a toy dinosaur. It is as small as an adult’s (成年人的) hand. But it is good at keeping balance (保持平衡). You can try to push or pull its tail. It won’t fall down. ……

How on Earth can you lift an adult elephant with one hand?Answer: You can’t. Elephants don’t have hands. 总第472期答案：杨子珊 获奖名单：肖玉洁 福建省厦门双十中学 ……

成人礼：从这一刻起，我们变成大人了！Coming of age is a significant milestone in one’s life. That’s why it is celebrated in many cultures with a ceremony. But there is still much more to becoming an adult. ……

in a very public place and consider taking someone, preferably an adult, with you.5) If you think you're being harassed or watched online, never reply to the harasser. Tell an adult ……

’ readers’ problems. I hope I can help you with yours.Q Dear Dale,I’ve been dreaming of becoming an adult... responsibilities. What should I do?JoeyDear Joey,Becoming an adult is a natural part of life, and it has ……

婴儿的骨头比成人还多。婴儿的骨头比成人还多。A human baby has 99 more bones than an adult. A baby’s skeleton (骨架... through the fusing (结合) of certain bones. Therefore, a baby has around 305 bones, while an adult has ……

at about 4.8 km per hour. That’s about as fast as an adult (成年人) can walk!The T-rex is the biggest... the Netherlands (荷兰) found T-rex walked at about 4.8 km per hour. That’s about as fast as an adult ……

that honestly explores the human condition.In the film, an adult brother and sister who were orphaned in their childhood reunite in the house that their parents left. One is an organized, virtuous: single mother ……